敏感性分析的结果可以通过( )汇总。A．敏感性分析报告 B．敏感性分析表 C．多因

阅读理解。 判断正误。

     Lifts are very useful. Why? Think about a tall building you work on the thirtieth floor. Maybe you can

 walk up all the stairs one time. But can you climb thirty floors to your office every day? Of course not.

     In an old lift, a worker is needed. He or she operates it up and down. In a modern lift there is no

 worker. People can operate it themselves.

     Do you know how to use a lift? OK, let me tell you. For example, you want to go to the twelfth floor

  from the ground floor. First, you must press the button, then the door opens. After that you can get

 into the lift. Third, you press the , and the door closes. Fourth, you press the number 12, then the

 lift takes you up to the twelfth floor. When the door opens again, you can get out of the lift. If you want to

  go down to the first floor, you must press the, then do the same. It takes you there. It is easy and

  fast. Now can you use it?

( ) 1. In a modern lift, people can operate it by themselves.

(     ) 2. If you want to go upstairs, you must press the.

(     ) 3. If you want to go down to the first floor, you must press the .

(     ) 4. In a tall building, it is very easy and fast for you to go up and down in a lift.

(     ) 5. Anyone can use the lifts in a tall building.

在下列命题中，真命题有______（选取所有真命题的序号）：

①“在同一个三角形中，大边对大角”的否命题

②“若m＜2，则x²-2x+m=0有实根”的逆命题

③“若A∩B=B，则A∪B=A”的逆否命题

④“（x+3）²+（y-4）²=0”是“（x+3）（x-4）=0“成立的必要条件．

—Would you like to have a drink with us?

—Drinking? _____. I prefer to stay at home.

A, That isn’t my cup of tea                   B. I’m with you on that

C. I couldn’t agree more                       D. Thank goodness

IALA浮标制度规则A区域和B区域的差别在于（）。

A．侧面标标身形状不同

B．侧面标顶标形状不同

C．侧面标标色和光色不同

D．以上都是

微机监测系统的DDF板的两端分别连接内侧的DTU和外侧的由通信提供的通道。